Gen III Hemi LH MLX Head Gasket 4.000 Bore .040

The Gen III Hemi LH MLX Head Gasket 4.000 Bore .040 is a high-performance sealing solution designed for Dodge, Jeep, and Chrysler applications utilizing the renowned 5.7L and 6.1L Gen III Hemi engine platform. This left-hand head gasket is ideal for builders and restorers who prioritize reliability in both high-performance and stock rebuild scenarios.

Manufactured by Cometic Gaskets, this gasket features MLX composite construction, which provides superior clamp load retention and thermal stability compared to traditional cork or conventional gaskets. The .040-inch compressed thickness is specifically designed for factory and modified cylinder head surfaces on 4.000-bore blocks, ensuring a robust seal that can withstand extreme conditions.

This LH (left-hand/driver-side) gasket is essential for complete head gasket replacement on any Gen III Hemi short-block, accommodating everything from stock engines producing 370 horsepower to heavily modified variants exceeding 500 hp. Proper installation requires torque-to-yield specifications to maintain optimal performance and durability.